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参数资料
| 型号： | TC1313-1H2EMFTR |
| 元件分类： | 稳压器 |
| 英文描述： | 0.5 A SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3 X 3 MM, 0.90 MM HEIGHT, PLASTIC, DFN-10 |
| 文件页数： | 29/32页 |
| 文件大小： | 591K |
| 代理商： | TC1313-1H2EMFTR |
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TC1313
DS21974B-page 6
2009 Microchip Technology Inc.
Synchronous Buck Regulator (VOUT1)
Adjustable Output Voltage Range
VOUT1
0.8
—
4.5
V
Adjustable Reference Feedback
Voltage (VFB1)
VFB1
0.78
0.8
0.82
V
Feedback Input Bias Current
(IFB1)
IVFB1
—-1.5
—
nA
Output Voltage Tolerance Fixed
(VOUT1)
VOUT1
-2.5
±0.3
+2.5
%
Line Regulation (VOUT1)VLINE-REG
—
0.2
—
%/V
VIN = VR+1V to 5.5V,
ILOAD = 100 mA
Load Regulation (VOUT1)VLOAD-REG
—0.2
—
%
VIN =VR +1.5V, ILOAD = 100 mA to
500 mA (Note 1)
Dropout Voltage VOUT1
VIN – VOUT1
—
280
—
mV
IOUT1 = 500 mA, VOUT1 =3.3V
(Note 5)
Internal Oscillator Frequency
FOSC
1.6
2.0
2.4
MHz
Start Up Time
TSS
—0.5
—
ms
TR = 10% to 90%
RDSon P-Channel
RDSon-P
—
450
—
m
Ω
IP = 100 mA
RDSon N-Channel
RDSon-N
—
450
—
m
Ω
IN = 100 mA
LX Pin Leakage Current
ILX
-1.0
±0.01
1.0
μA
SHDN = 0V, VIN = 5.5V, LX = 0V,
LX = 5.5V
Positive Current Limit Threshold
+ILX(MAX)
—
700
—
mA
LDO Output (VOUT2)
Output Voltage Tolerance (VOUT2)VOUT2
-2.5
±0.3
+2.5
%
Temperature Coefficient
TCVOUT
—
25
—
ppm/°C
Line Regulation
ΔVOUT2/
ΔVIN
-0.2
±0.02
+0.2
%/V
(VR+1V) ≤ VIN ≤ 5.5V
Load Regulation, VOUT2 ≥ 2.5V
ΔVOUT2/
IOUT2
-0.75
0.1
+0.75
Load Regulation, VOUT2 < 2.5V
ΔVOUT2/
IOUT2
-0.90
0.1
+0.90
Dropout Voltage VOUT2 > 2.5V
VIN – VOUT2
—
137
300
mV
IOUT2 = 300 mA
—
205
500
Power Supply Rejection Ratio
PSRR
—
62
—
dB
f
= 100 Hz, IOUT1 = IOUT2 = 50 mA,
CIN = 0 F
Output Noise
eN
—
1.8
—
V/(Hz) f
= 1 kHz, IOUT2 =50mA,
SHDN1 =GND
DC CHARACTERISTICS (CONTINUED)
Electrical Characteristics:
VIN1 = VIN2 = SHDN1,2 = 3.6V, COUT1 =CIN = 4.7 F, COUT2 =1F, L = 4.7 H, VOUT1 (ADJ) = 1.8V,
IOUT1 = 100 ma, IOUT2 = 0.1 mA TA = +25°C. Boldface specifications apply over the TA range of -40°C to +85°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note
1:
The Minimum VIN has to meet two conditions: VIN ≥ 2.7V and VIN ≥ VRX + VDROPOUT, VRX = VR1 or VR2.
2:
VRX is the regulator output voltage setting.
3:
TCVOUT2 = ((VOUT2max – VOUT2min) * 106)/(VOUT2 * DT).
4:
Regulation is measured at a constant junction temperature using low duty cycle pulse testing. Load regulation is tested
over a load range from 0.1 mA to the maximum specified output current.
5:
Dropout voltage is defined as the input-to-output voltage differential at which the output voltage drops 2% below its
nominal value measured at a 1V differential.
6:
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction
temperature and the thermal resistance from junction to air. (i.e. TA, TJ, θJA). Exceeding the maximum allowable power
dissipation causes the device to initiate thermal shutdown.
7:
The integrated MOSFET switches have an integral diode from the LX pin to VIN, and from LX to PGND. In cases where
these diodes are forward-biased, the package power dissipation limits must be adhered to. Thermal protection is not
able to limit the junction temperature for these cases.
8:
VIN1 and VIN2 are supplied by the same input source.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1313-1P0EMF | 功能描述:低压差稳压器 - LDO PWM/LDO combo RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TC1313-1P0EMFTR | 功能描述:低压差稳压器 - LDO PWM/LDO combo RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TC1313-1P0EUN | 功能描述:低压差稳压器 - LDO PWM/LDO combo RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TC1313-1P0EUNTR | 功能描述:低压差稳压器 - LDO PWM/LDO combo RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TC1313-DG0EMF | 功能描述:低压差稳压器 - LDO PWM/LDO combo RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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